ActivIdentity 8.2 - 'ac.sharedstore' Unquoted Service Path
Priority HIGH 72CWE-428Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-428.
Summary
ActivIdentity 8.2 contains an unquoted service path vulnerability in the ac.sharedstore service that allows local attackers to potentially execute arbitrary code. Attackers can exploit the unquoted binary path in C:\Program Files\Common Files\ActivIdentity\ to inject malicious executables and escalate privileges.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00151 4th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| HID Global | ActivIdentity | 8.2 | — | No fix listed | CNA |
- ActivIdentity VendorHID Global Affected 8.2 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-47859
- 2026-10-03 Alias added: GHSA-ccm5-r6jv-m624
References
Exploit 1
Other 1
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Sources
- CVE-2021-47859 · CVE Program
- CVE-2021-47859 · NVD
- FIRST EPSS
- GHSA-ccm5-r6jv-m624 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences